Shrinking a virtual disk

by Mitch Tulloch [Published on 9 July 2014 / Last Updated on 9 July 2014]

A tip explaining how to properly shrink a virtual disk for a virtual machine on a Hyper-V host.

Before you use either Windows PowerShell or Hyper-V Manager to shrink a VHD or VHDX file, you should log on to the guest operating system and use the Disk Management snap-in to shrink the volume on the virtual disk you want to shrink. For more information, see Ben Armstrong’s post titled “Shrinking a virtual hard disk in Windows 8” in his “Virtual PC Guy Blog” at

The above tip was excerpted from Mitch Tulloch's book Training Guide: Installing and Configuring Windows Server 2012 from Microsoft Press.

Mitch is a nine-time recipient of the Microsoft Most Valuable Professional (MVP) award and a widely recognized expert on Windows administration, deployment and virtualization.  For more information see

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The Author — Mitch Tulloch

Mitch Tulloch is a well-known expert on Windows Server administration and cloud computing technologies. He has published over a thousand articles on information technology topics and has written, contributed to or been series editor for over 50 books.

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